yeah I fixed it without reinstalling by doing this
From the Dashboard, Under Scan Status, click on Current next to Updates. The software will attempt to update the database to the most current version. However, at this point, the Web Protection will not be turned on. Proceed to the next step.
Right click on the Malwarebytes taskbar icon and click on Quit Malwarebytes. Then restart Malwarebytes and the Real-Time Protection should now turn on when you click on the Off link.

yeah I fixed it without reinstalling by doing this
From the Dashboard, Under Scan Status, click on Current next to Updates. The software will attempt to update the database to the most current version. However, at this point, the Web Protection will not be turned on. Proceed to the next step.
Right click on the Malwarebytes taskbar icon and click on Quit Malwarebytes. Then restart Malwarebytes and the Real-Time Protection should now turn on when you click on the Off link.